fits make: Mercury. year: 1988–1990.

( Brand: Mercury Mariner ), ( Manufacturer Part Number: 9012A38 ), ( Part Type: Carburetor )
The Mercury-Mariner 90hp outboard engine, specifically the 1988-1990 carburetor model 9012a38, is a powerful and reliable marine engine designed for use in small to medium-sized boats. This three-cylinder, two-stroke engine delivers 90 horsepower at 5500 RPM, providing ample power for cruising, water sports, and fishing.
The 9012a38 carburetor model features a 281 cubic centimeter displacement, providing a good balance between power and fuel efficiency. The engine is equipped with a manual throttle and choke system, allowing for precise control over engine speed and RPM.
The engine is constructed from high-quality materials, including cast-aluminum alloy cylinder heads and a corrosion-resistant aluminum alloy lower unit. The three-cylinder design provides smooth and stable power delivery, making it easy to handle and maneuver in various water conditions.
The 9012a38 carburetor model is equipped with a water-cooled cylinder head, which helps to dissipate heat and maintain optimal operating temperatures, ensuring long-term reliability and durability. The engine also features a manual oil pump system, allowing for easy oil changes and maintenance.
The Mercury-Mariner 90hp outboard engine is also equipped with a variety of features to improve performance and ease of use. This includes a standard gearcase with a 1.85:1 ratio, providing excellent acceleration and maneuverability. The engine also features a built-in trim tab, allowing for easy adjustment of the engine's angle to improve stability and performance in rough water conditions.
In summary, the 1988-1990 carburetor 9012a38 Mercury-Mariner 90hp outboard 3-cylinder 281 engine is a powerful and reliable marine engine that delivers smooth and stable power delivery. It features a manual throttle and choke system, a water-cooled cylinder head, and a variety of performance-enhancing features. Whether you're cruising, water skiing, or fishing, this engine is a great choice for small to medium-sized boats.
Pros of buying a 1988-1990 Mercury-Mariner 90hp outboard engine with the 9012a38 carburetor:1. Affordability: Compared to newer models, these older engines are generally more affordable, making them a cost-effective option for boat owners on a budget.
2. Availability of Parts: Being an older model, parts for this engine are widely available, making repairs and maintenance more accessible and less expensive.
3. Simplicity: Carbureted engines are simpler in design than their fuel-injected counterparts, making them easier to work on and diagnose issues.
4. Reliability: If properly maintained, these engines can provide years of reliable service.
Cons of buying a 1988-1990 Mercury-Mariner 90hp outboard engine with the 9012a38 carburetor:1. Lower Power Output: Compared to newer models, this engine offers less horsepower, which may not be suitable for some applications.
2. Fuel Efficiency: Carbureted engines tend to be less fuel-efficient than their fuel-injected counterparts, which can result in higher fuel costs over time.
3. Less Flexible Tuning: Carburetors offer less flexibility in tuning performance compared to fuel-injected systems.
4. Potential for Poorer Emissions: Older engines, such as this one, may not meet modern emission standards, which can be a concern in certain areas.
Conclusion:If you are looking for an affordable, easy-to-maintain, and reliable outboard engine with a simple design, the 1988-1990 Mercury-Mariner 90hp outboard engine with the 9012a38 carburetor may be a suitable option for you. However, you should consider the engine's lower power output, less fuel efficiency, and potential for poorer emissions before making a decision.
Recommendation:If you are looking for a powerful, fuel-efficient, and modern outboard engine, you may want to consider newer models with fuel injection. However, if you are on a tight budget or prefer the simplicity of a carbureted engine, the 1988-1990 Mercury-Mariner 90hp outboard engine with the 9012a38 carburetor could be a suitable choice for your needs.
Fits various Mercury ma riner 90hp outboard engines. Directly across from Lowe's and 84 lumber.
Part: carburetor assay 9012A38.
May fit other model's condition: used ,good condition.